Uncategorized
- Materials Science
Eggshell nanostructure protects a chick and helps it hatch
The nanoscale structure of a chicken eggshell changes to fulfill different functions as the egg incubates.
- Animals
Toxins from the world’s longest animal can kill cockroaches
Bootlace worms can stretch up to 55 meters long and ooze toxins that can kill cockroaches and green crabs.
- Animals
Some frogs may be bouncing back after killer chytrid fungus
Frogs in Panama may be developing defenses against a fatal skin disease, a new study suggests.
- Life
Why cracking your knuckles can be so noisy
Knuckles crack due to the partial collapse of bubbles in joint fluid, a new study suggests.
- Health & Medicine
Opioids kill. Here’s how an overdose shuts down your body
Powerful opioids affect many parts of the body, but the drugs’ most deadly effects are on breathing.
- Materials Science
Live heart cells make this material shift color like a chameleon
A new material made of heart cells from rats and hydrogel changes color as the living cells contract and relax.
- Archaeology
Footprints put people on Canada’s west coast 13,000 years ago
Island tracks indicate early New World settlers traveled down the North American Pacific coast about 13,000 years ago.
- Neuroscience
Brain waves of concertgoers sync up at shows
During a live musical performance, audience members’ brain waves get in sync.
- Astronomy
Dark matter is MIA in this strange galaxy
A galaxy without dark matter bolsters the case that the invisible substance really exists.
- Neuroscience
Parents’ presence promotes a child’s pluck
Parents’ presence or absence during a learning exercise determines whether their child is fearful later, or willing to explore.
- Health & Medicine
Kid-friendly e-cigarette ads appear to work
Teens who hadn’t used tobacco products but were receptive to e-cigarettes ads were more likely to try vaping or smoking.
- Earth
Powerful New England quake recorded in pond mud
The newfound sediment signature of the 1755 Cape Ann earthquake could be used to trace other prehistoric temblors.
